The Moine schists of the western Highlands of Scotland show a marked progressive increase in metamorphism from the coastal districts eastward. Four zones can be distinguished with characteristic mineral assemblages in the subordinate but distinctive calc-silicate granulites. The metamorphism appears to be related to the proximity of the Moine thrust and the great injection complexes toward the east. It is suggested that the Moine series, the Tarskavaig Moine series, and the Torridonian series, which form a series of superimposed nappes in southeast Skye, are actually different metamorphic stages of the same formation.

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